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Service bulletin 19NA114

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10161925
Published by NHTSA2019-07-01
Manufacturer's number19NA114
Manufacturer's date2019-05-15
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This informational bulletin provides information to the tech to test the PCV for proper performance before replacing the camshaft cover to correct a MIL On w/DTC P0171.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P0171

Vehicles listed
BUICK ENCORE2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC ELR2014, 2015, 2016, 2017
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015, 2016
CHEVROLET SONIC2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET TRAX2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET VOLT2012, 2013, 2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
16V4220002016-06-10. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20162922016-06-08. Electrical
20161912016-04-28. Electrical
16V2570002016-04-28. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
20152792015-06-25. Electrical
15V1450002015-03-13. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
13V2200002013-05-24. EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM
20123042012-09-17. Electrical
12V4540002012-09-17. EXTERIOR LIGHTING:TURN SIGNAL; ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
22-NA-0072025-11-15. Service bulletin. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set.
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-1352025-02-12. Service bulletin. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.